# Address book For businesses, there is often a need to send funds to their partners. You can save addresses to which you often send currency and leave a name and description to the address. As part of business activities, it becomes necessary to transfer funds to partners. One way to optimize this process is to save frequently used addresses for currency transfers with the name and description of the corresponding address. The address book is the same for pay-in and business wallets. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.onchainpay.io/api-reference/address-book.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.